CN2466626Y

CN2466626Y - Biopsy gun for vacuum circular cutting

Info

Publication number: CN2466626Y
Application number: CN 01212276
Authority: CN
Inventors: 杜永义
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-01-12
Filing date: 2001-01-12
Publication date: 2001-12-19
Anticipated expiration: 2011-01-12

Abstract

The utility model relates to a biopsy gun for vacuum circular cutting. The lower end of a handle body of the biopsy gun is a biopsy handle, a needle core is installed in a handle support, the outside of the needle core is sheathed with a needle core sleeve tube, a sleeve tube handhold is fixed to the tail end of the needle core sleeve tube, the sleeve tube handhold is installed in a guide groove of the biopsy handle body and can glide in the guide groove up and down, and a pressure spring is positioned between the sleeve tube handhold and the handle support of the biopsy gun. When the utility model is used, a pathologic change tissue with high accuracy can be simply, quickly and safely taken out; particularly, the qualitative examination of the direct pathologic histology of the cancer tissue can be realized. The utility model has the advantages of simple and convenient operation, less damage, high material-taking rate and low manufacture cost.

Description

Vacuum ring cutting cell taking gun

The utility model belong to human body deep organ disease particularly cancerous swelling sampling make the apparatus of pathology histological examination.

Cancerous swelling and other malignant tumours are formidable enemies of current serious threat human health and life, often be called second largest killer by people, the cancer patient is accurately diagnosed in early days so that early treatment is saved patient's life and health, it is the important topic of numerous medical workers' research always, the pathology worker is when diagnosing the illness, not only to draw cell but also will cut the special cancer tumor tissue of pathological tissues and do biopsy, method commonly used has endoscope, operate on, puncture needle, cell tissue extractor etc. gets tissue and cell is done the pathology inspection, and endoscope is drawn materials and need be utilized the natural passage such as the oral cavity of human body, esophagus, urethra, vagina, there is certain limitation in anuses etc.; Operate on and get that tissue damage is big, the time is long, expense is high; Special biopsy needle operation is inconvenient, efficient is low; The cell tissue extractor is mainly used in the pathology of health superficial place and the cytolgical examination of lump, organize extraction efficiency very low, and taking a sample to check of deep organ disease does not still have suitable Method and kit for.

The purpose of this utility model is to provide a kind of vacuum ring cutting cell taking gun that damage is little, efficient is high, expense is low, accuracy is high of drawing materials.

The technical solution of the utility model is: form vacuum ring cutting cell taking gun by cell taking gun handle body, band sword nook closing member, band sword nook closing member sleeve pipe, sleeve pipe handle etc.Cell taking gun handle body lower end is the holder of biopsy handle, the nook closing member that is loaded on the holder of biopsy handle stretches out the handle body upper end, nook closing member is set with the nook closing member sleeve pipe outward, the end of nook closing member sleeve pipe is fixed with the sleeve pipe handle, nook closing member sleeve pipe handle is loaded in the guide groove of biopsy handle body and can slides up and down in guide groove, but cell taking gun handle body upper end has the fixed handle guide groove and makes the fixing system nut of nook closing member casing centralization.Between the holder of sleeve pipe handle lower handle pressure spring is arranged, the handle bayonet socket is arranged at the guide groove bottom, and when the sleeve pipe handle was stuck in the handle bayonet socket, compression spring was standby and sends out state, and the needle core tip cutting edge of a knife or a sword is slightly exposed in nook closing member sleeve pipe front portion.When nook closing member sleeve pipe handle leaves the handle bayonet socket, then the nook closing member sleeve pipe ejects, and cuts and organizes in order to annular.In nook closing member sleeve pipe and sleeve pipe handle joint portion O-ring seal is housed, so that the nook closing member sleeve pipe forms vacuum when ejecting.

Feature of the present utility model is that also the pin cutting edge of a knife or a sword of nook closing member is taper shape or triangular taper, and nook closing member sleeve pipe front end is flat mouthful of band sharp sword of circular hole.

Compared with prior art, the utlity model has easy and simple to handle, quick, little, the rate of the drawing materials advantages of higher of damage, it is the optimal instrument of deep organ disease sampling, the taking-up pathological tissues that energy is easy, quick, safety and precise is high particularly cancer tumor tissue is made direct Histopathology qualitative examination, low cost of manufacture, use value height, separate the urgent need of clinical practice, have highly application value.

Accompanying drawing is a structural representation of the present utility model.

Below in conjunction with accompanying drawing the utility model is described in further detail:

In the accompanying drawing, 1 is the cell taking gun nook closing member, and its end is fixed on cell taking gun handle 4 collet portions, and it is conical that pin cutting edge of a knife or a sword 13 is; Nook closing member 1 top is contained in the nook closing member sleeve pipe 2, and the nook closing member sleeve pipe is equipped with rubber seal 3 with the handle joint portion, is used for the sealing of nook closing member 1 and nook closing member sleeve pipe 2, so that after 2 ejaculations of nook closing member sleeve pipe, form vacuum in sleeve pipe 2.Nook closing member sleeve pipe 2 front ends are the flat mouth of circular hole of band sharp sword, the rear portion is connected sleeve pipe 6 middle parts of shaking hands, there is guide groove 5 cell taking gun handle body both sides, sleeve pipe handle 6 is loaded in the guide groove 5 and can drives cell taking gun nook closing member sleeve pipe along sliding up and down in the guide groove, but there is the fixed handle guide groove cell taking gun handle upper end and makes nook closing member sleeve pipe 2 fixing system position nut 7 placed in the middle, handle guide groove 5 bottoms have a pair of half round cut to be handle bayonet socket 8, between handle 6 and the handle holder compression spring 9 is housed, handle 6 can be stuck on the handle bayonet socket 8, make compression spring be standby and send out state, and the needle core tip cutting edge of a knife or a sword is exposed in nook closing member sleeve pipe front portion, be convenient to the percutaneous puncture inserting needle to deep organ disease place.Compression spring is loaded on the nook closing member outside, the bottom of the inside of handle body and nook closing member sleeve pipe handle, make its compression produce potential energy, freeing back generation kinetic energy promotion nook closing member sleeve pipe 2 injects in the pathological tissues, flat mouthful of circular hole of its band sword 14 be ring cutting tissue head-on, can form negative pressure absorption annular and cut and be organized into the sleeve pipe deep under the vacuum negative interaction.Handle top has two nook closing member sleeve pipes to inject distance control keyhole 11, reach control punch 12, depth of needle with control nook closing member sleeve pipe, puncture depth of needle fixator 10 is arranged on the nook closing member sleeve pipe of handle body upper end, form by nut and screw rod, the screw rod middle part has an aperture, nook closing member sleeve pipe to penetrate the predetermined position that aperture tightening nuts fixator is fixed on the nook closing member sleeve pipe, when machine is sent out, make it be pressed on body surface, preventing from not advance to the pathology depths when sleeve pipe from penetrating influences the effect of drawing materials.

When the utility model uses, can choose the inserting needle point of puncture, carry out the local skin sterilization according to diseased region.The handle of vacuum ring cutting cell taking gun is pulled down, compression spring and rotating pull handle enter in the bayonet socket it and are stuck, at this moment, cell taking gun has been in standby and has sent out state, nook closing member pin cutting edge of a knife or a sword just in time exposes at nook closing member sleeve pipe front end to be convenient to percutaneous puncture and to proceed to diseased region, when entering pathological tissues, move handle, spring is upheld the promotion handle and the nook closing member sleeve pipe makes nook closing member sleeve pipe directive pathological tissues depths; pathological tissues enters in the sleeve pipe; extract the nook closing member sleeve pipe; pulling is shaken hands once more, and pathological tissues is just released by nook closing member from the sleeve pipe front end, finishes the operation that the vacuum ring cutting is got tissue.The utility model is easy and simple to handle, quick, little, the rate of the drawing materials height of damage, is the optimal instrument of deep organ disease sampling, has fabulous application value.

Claims

1, a kind of vacuum ring cutting cell taking gun, comprise band sword nook closing member (1), nook closing member sleeve pipe (2), sleeve pipe handle (6), it is characterized in that: cell taking gun handle body (15) lower end is biopsy handle holder (4), and the nook closing member (1) that is loaded on biopsy handle (4) stretches out handle body (15) upper end; The outer nook closing member sleeve pipe (2) that is with of nook closing member (1); The end of nook closing member sleeve pipe (2) is fixed with sleeve pipe handle (6); Sleeve pipe handle (6) is loaded in the guide groove (5) of biopsy handle body (15), and can slide up and down in guide groove (5); Handle bayonet socket (8) is arranged at guide groove (5) bottom; Cell taking gun handle body (15) but upper end fixed handle guide groove (5) is arranged and makes nook closing member sleeve pipe (2) fixing system position nut (7) placed in the middle; Sleeve pipe handle (6) has pressure spring (9) down and between the plug gunman handle holder (4); Be equipped with in nook closing member sleeve pipe (2) and sleeve pipe handle (6) joint portion and be used for the O-ring seal (3) that seals between nook closing member and the nook closing member sleeve pipe; Nook closing member sleeve pipe (2) front end is flat mouthful of band sword (14) of circular hole.

2, cell taking gun according to claim 1 is characterized in that said nook closing member (1), and it is conical that its pin cutting edge of a knife or a sword is, three shuttle tapers.

3, cell taking gun according to claim 1 is characterized in that handle body (15) top has two nook closing member sleeve pipes to inject apart from control punch (11) and keyhole (12).

4, cell taking gun according to claim 1 is characterized in that having on the nook closing member sleeve pipe (2) of handle body (15) upper end puncture to carry out degree of depth fixator (10), and fixator (10) is made up of nut and screw rod, and there is an aperture of the core sleeve of threading a needle at the screw rod middle part.